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Code · U.S. Code · Title 18 - CRIMES AND CRIMINAL PROCEDURE · CHAPTER 206— PEN REGISTERS AND TRAP AND TRACE DEVICES · § 3121

§ 3121. General prohibition on pen register and trap and trace device use; exception

743 words·~3 min read·/usc/title-18/section-3121

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

(a)In General.— Except as provided in this section, no person may install or use a pen register or a trap and trace device without first obtaining a court order under section 3123 of this title or under the Foreign Intelligence Surveillance Act of 1978 (50 U.S.C. 1801 et seq.) or an order from a foreign government that is subject to an executive agreement that the Attorney General has determined and certified to Congress satisfies section 2523.
(b)Exception.— The prohibition of subsection
(a)does not apply with respect to the use of a pen register or a trap and trace device by a provider of electronic or wire communication service—
(1)relating to the operation, maintenance, and testing of a wire or electronic communication service or to the protection of the rights or property of such provider, or to the protection of users of that service from abuse of service or unlawful use of service; or
(2)to record the fact that a wire or electronic communication was initiated or completed in order to protect such provider, another provider furnishing service toward the completion of the wire communication, or a user of that service, from fraudulent, unlawful or abusive use of service; or
(3)where the consent of the user of that service has been obtained.
(c)Limitation.— A government agency authorized to install and use a pen register or trap and trace device under this chapter or under State law shall use technology reasonably available to it that restricts the recording or decoding of electronic or other impulses to the dialing, routing, addressing, and signaling information utilized in the processing and transmitting of wire or electronic communications so as not to include the contents of any wire or electronic communications.
(d)Penalty.— Whoever knowingly violates subsection
(a)shall be fined under this title or imprisoned not more than one year, or both.
(Added Pub. L. 99–508, title III, § 301(a), Oct. 21, 1986, 100 Stat. 1868; amended Pub. L. 103–414, title II, § 207(b), Oct. 25, 1994, 108 Stat. 4292; Pub. L. 107–56, title II, § 216(a), Oct. 26, 2001, 115 Stat. 288; Pub. L. 115–141, div. V, § 104(3)(A), Mar. 23, 2018, 132 Stat. 1217.)
Connections23 cite this · traces to 4
13 references not yet in our index
  • Pub. L. 99–508, title III, § 301(a)
  • 100 Stat. 1868
  • Pub. L. 103–414, title II, § 207(b)
  • 108 Stat. 4292
  • Pub. L. 107–56, title II, § 216(a)
  • 115 Stat. 288
  • 132 Stat. 1217
  • Pub. L. 95–511
  • 92 Stat. 1783
  • Pub. L. 107–56
  • Pub. L. 103–414
  • Pub. L. 99–508, title III, § 302
  • 100 Stat. 1872
Citation graph
cites case law
§ 3121
General prohibition on pen register and trap and trace device use; exception
Fed. Reg.×8
U.S.C.×7
IRM×6
Stat.×2
Pub. L.Pub. L. 99–508, title III, § 301(a)
Stat.100 Stat. 1868
Pub. L.Pub. L. 103–414, title II, § 207(b)
Stat.108 Stat. 4292
Pub. L.Pub. L. 107–56, title II, § 216(a)
Cites 17 · showing 9Cited by 23 across 4 sources
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